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| Po l a r i t y i nve r t i n g c h a r g e p u m p DC/DC converter IC AN1201SM I Overview 2.100.10 1.650.10 0.22+0.10 -0.05 0.225 Unit: mm 0.13 M AN1201SM is a negative voltage generation IC for bias voltage of transmission power module of cellular phones. This IC is a polarity inverting DC/DC converter to change from positive voltage into negative voltage. 5 4 I Features G High power conversion efficiency: 89% typ. (when output current is 5 mA.) G Low output resistance: 20 typ. G High voltage conversion efficiency: 99.9% G Small (S-MINI) package 0.800.10 0.225 1 2 3 0.65 0.65 1.300.10 2.000.10 0.11+0.10 -0.05 0.320.10 0 to 0.10 0.10 1 2 3 Seating plane I Applications G Cellular phone 5 4 SMINI-5DA I Block Diagram C2 5 S2 GND 4 OSC S1 S3 1 VIN 2 VOUT S4 3 C1 The products and specifications are subject to change without any notice. Please ask for the latest product standards to guarantee the satisfaction of your product requirements. 1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan M00490AE Tel. (075) 951-8151 http://www.panasonic.co.jp/semicon/ New publication, effective from Dec. 6. 2001 I Pin Descriptions Pin No. 1 2 3 4 5 Symbol VIN VOUT C1 GND C2 Supply voltage pin Inverted output pin Charge pump capacitor's positive polarity side connecting pin Ground pin Charge pump capacitor's negative polarity side connecting pin Description I Absolute Maximum Ratings Parameter Supply voltage Supply current Output current Power dissipation *2 Symbol VIN IIN IO PD Topr Tstg *1 Rating 3.3 10 20 48 -30 to +85 -55 to +125 Unit V mA mA mW C C Operating ambient temperature *2 Storage temperature Note) 1. Do not apply external currents or voltages to any pins not specifically mentioned. For circuit currents, (+) denotes current flowing into the IC, and (-) denotes current flowing out of the IC. 2. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: Ta = 85C, For the independent IC without a heat sink. I Recommended Operating Range Parameter Supply voltage Symbol VIN Range 2.0 to 3.0 Unit V I Electrical Characteristics at VIN = 2.5 V, C1 = 1 F, Ta = 25C Parameter Consumption current Oscillator frequency Output resistance Voltage conversion efficiency Power efficiency Consumption current in Sleep mode * Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Unless otherwise specified: VIN = 2.5 V, Ta = 25C Symbol ICC fOSC ROUT Vh Ph IOFF No load No load Load 500 No load Load 500 Conditions Min 90 95.0 80 Typ 0.25 125 99.9 89 Max 1 160 50 1 Unit mA kHz % % A VIN = 0.2 V, no load Parameter Oscillator frequency Symbol fOSC Conditions VIN = 2.5 V, no load Ta = -30C to 85C Min 66 Typ 125 Max 198 Unit kHz |
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